She is known for an an invention (although it was never actually produced directly) that was the first known example of spread-spectrum technology -- variants of which are still used today (at least indirectly) in cell phones, Bluetooth, and Wi-Fi.

Oh, and she was also an actress who stared in some movies and some-such.

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I'm celebrating by re-playing Half-Life 2. There's a minor part of the story that involves a "debeaked" headcrab, kept as a pet, named "Lamarr." Presumably, this name was a tribute to Hedy Lamarr.

Staff: Mentor

I've never heard Antheil's Ballet Mécanique, but I've got some of his other compositions in my CD collection. I first learned about the Antheil-Lamarr connection from reading the notes that came with one of those CDs.